Life Span
Perennial
-
Type
Tree
Tree
Origin
United States, California
China, Japan
Types
-
Cryptomeria japonica 'Cristata'
Cryptomeria japonica 'Dacrydioides'
Cryptomeria japonica 'Spiralis'
Cryptomeria japonica 'Bandai Sugi'
Cryptomeria japonica 'Black Dragon'
Number of Varieties
815
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Hills, low mountains, Mountain Slopes, Mountain tops, Mountains
USDA Hardiness Zone
6-95-9
0
99
👆🏻
AHS Heat Zone
9-1
9-4
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Pyramidal
Plant Size
Minimum Height
1,520.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green, Blue Green
Green, Blue Green
Leaf Color in Summer
Green, Blue Green
Green, Blue Green
Leaf Color in Fall
Yellow, Orange, Pink
Green
Leaf Color in Winter
-
Green, Purple, Brown, Bronze
Shape
Leaf Shape
Irregular
Acicular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Medium
Type of Soil
-
Clay, Loam
The pH of Soil
-
Acidic, Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Budding, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Do Not over Water, Do not water frequently
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Acidic, Neutral
Soil Type
-
Clay, Loam
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
Red blotch
Leaf spot, Mites, Red blotch
Plant Tolerance
Drought
Drought
Flowers
Insignificant
-
Flower Petal Number
-
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
-
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
Pollen
Hay fever
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
-
Part of Plant Used
Leaves, Seeds, Wood
Wood
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Foundation, Screening / Wind Break, Shade Trees, Topiary / Bonsai / Espalier
Botanical Name
QUERCUS douglasii
CRYPTOMERIA japonica
Common Name
Blue Oak
Japanese Cedar, Japanese Cryptomeria
In Hindi
Blue Oak Tree
Japanese Cedar
In German
Blaue Eiche
der japanischen Zeder
In French
Bleu Oak Tree
Cedar japonais
In Spanish
Azul del árbol de roble
cedro japonés
In Greek
Μπλε Oak Tree
Ιαπωνικά Cedar
In Portuguese
Carvalho azul
Cedar japonês
In Polish
Niebieski Oak Tree
japoński cedr
In Latin
Blue quercum ligno
Italica Cedar
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Pinopsida
Order
Fagales
Pinales
Family
Fagaceae
Cupressaceae
Genus
Quercus
Cyptomeria
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
-
-
Subfamily
-
-
Number of Species
2050
1
27800
👆🏻